BGS mineralogy and petrology collection record

Sample number S49256; S49256/A; COLLNOZA618;
Sample Donor Chisholm,J.I.
Rock name Not entered
Stratigraphy Not entered
Comments Lava, dark phenocrysts, with very tiny feldspars
Locality details Quarry, N side of Knock Hill
50k map sheet Arbroath (49)

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Map reference NO 4229 2567
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S49256

Cross Polarized, S49256

Plane Polarized, S49256

Plane Polarized, S49256


S49256/A

Cross Polarized, S49256/A

Plane Polarized, S49256/A

Plane Polarized, S49256/A